<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org"
      xmlns:sec="http://www.thymeleaf.org/thymeleaf-extras-springsecurity3">
<head>
    <title>Hello World!</title>
</head>
<body>
<h1>Hello world!1111</h1>
<form action="/home/file/upload" method="post" enctype="multipart/form-data">
    <input type="file" name="file">
    <input type="submit" name="提交文件">
</form>
</body>
</html>